Problem in power Supply

Clarifications

It could be a number of things, it could be a virus on your machine run a virus scan in safe mode, it could be a fault with the power cable that connects to your computer check it, it could also be a problem with your computer is the fan working on the computer it may be getting to hot and shutting down take the cover of if you no what your doing and see if the van is working?

And see the difference that happens.

When you test any PS you are at best doing a Static Test that doesn't measure all of the available Voltages much less the current Available. Just because a Fan Runs only means that there is sufficient Voltage to run that Fan nothing else. The ATX Power Supply Testers are even less reliable about the only thing you can say about them is if it fails that test the PS is most defiantly [b]Dead.[/b]

The only real way to test a PS is to remove it and try to run another computer with it and even then it's not a 100% accurate test as that PS may not run the computer that it was fitted to originally.

When things like this start happening you should always look at the PS as the First Option as they have a [b]Hard Life[/b] and are supposed to fail rather than allow wrong events on the Power Grid to destroy the insides o f the computer case. Some are considerably better at doing this than others and it is sometimes possible with the really cheap nasty PS's to have one work after it has allowed some Major Over/Under Voltage Event to destroy a computer.

Then on other occasions what should result in the total destruction of a computer will just require a new PS fitted to keep the unit working. I have a very vivid memory of a Incident where a tree fell onto the Overhead Power Lines and brought the 33 KV Lines into contact with the Low Voltage Mains. The computer in question spat 3 feet of flame out of the Fan opening and set the curtain behind the computer on fire. The computer on the other hand just needed a new PS to continue to work.

Col